Therapeutic gas delivery device



FIG. 1 is a front top right perspective view of a therapeutic gas delivery device;

FIG. 2 is a front view of a therapeutic gas delivery device;

FIG. 3 is a right view of a therapeutic gas delivery device;

FIG. 4 is a back view of a therapeutic gas delivery device;

FIG. 5 is a left view of a therapeutic gas delivery device;

FIG. 6 is a top view of a therapeutic gas delivery device; and,

FIG. 7 is a bottom view of a therapeutic gas delivery device.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a therapeutic gas delivery device, substantially as shown and described. 